Quote:
Originally Posted by California Travieso
Chris,
The only two benefits I can think of are: 1) the lower weight of the aluminum block, and 2) Aluminum conducts heat better than iron.
David Serrano
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#2 is actually a detriment, not an advantage! You want to keep as much heat as possible in the combustion chamber. Heat that is conducted away from the combustion chamber into the cooling system or surrounding air is wasted energy! Obviously, combustion temperatures must be controlled to avoid detonation, but overcooling is not good!